This is how the original question sounds to me.
Do I still have to drop a token in the turnstile before getting on the subway (before Metro cards) if I drop the same amount of money in a pushka before leaving the house?
To elaborate. What�s the difference where I give the money? I�m not doing it for me, because I don�t save anything. I gave the money to a local charity. In my opinion the local charity actually gives the public more bang for its buck than the transit authority. So I did a good thing by jumping the turnstile?